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Oregon-based Tuni Electro Services, Inc. (TES) was started by James Thuney [1] in 1981. The company had a video game operation in Tempe, Arizona, that consisted of development, sales and marketing [2], and a 12,000-square-foot factory. A 13,000-square-foot factory was located in Vancouver, Washington. [3]

TES eventually went bankrupt. Its assets were purchased and reorganized, and the company was renamed Enter-Tech, Ltd. [4]

Research Methods: Actual mentions, online resources (see Links)


  • Arkyology (unreleased) (Sparrow)
Paul Walters, George Hefner, Rick Harris (programming); Barb Ultis (graphics)
  • Dazzler [Unitronics Expander] (unreleased) (Unitronics)
  • David and Goliath (unreleased) (Sparrow)
  • Those Little Buggers [Unitronics Expander] (unreleased) (Unitronics)
  • Treasure Hunt [Unitronics Expander] (unreleased) (Unitronics)

The Expander from Unitronics was an unreleased add-on that used cassette tapes, similar to the Starpath Supercharger. [5]


  • 5 card draw video poker approved by Nevada Gaming Control Board (Casino Coin Company)
  • The Berenstain Bears in Big Paw's Cave (Moppet Video)
  • Desert Race (Moppet Video)
  • El Grande: 5 Card Draw
  • High Rollers
  • Jackpot Joker Poker
  • Noah's Ark (Moppet Video)
  • Popeye (unreleased) (Moppet Video)
  • Reaction
  • Tugboat (Moppet Video)